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Finding the Fourth Proportional to 7,536.91, 10,399.92 and 4,179.55

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Solution

The fourth proportional to 7,536.91, 10,399.92 and 4,179.55 is: 5,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.91 : 10,399.92 = 4,179.55 : x
  2. Step 2: Convert to fraction form
    7,536.91/10,399.92 = 4,179.55/x
  3. Step 3: Cross multiply
    7,536.91x = 10,399.92 × 4,179.55
  4. Step 4: Simplify right side
    7,536.91x = 43,466,985.64
  5. Step 5: Solve for x
    x = 43,466,985.64/7,536.91
  6. Step 6: Final answer
    x = 5,767.22

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